Question: What is the weapon model with the maximum rate of fire whose subclass of is naval artillery?
Paraphrase: What weapon has the highest rate of fire in naval artillery?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q15142894 . ?ent wdt:P3792 ?obj . ?ent wdt:P279 wd:Q511450 } ORDER BY DESC(?obj)LIMIT 5 
Answer: AK-725, 70-K, 4.5 inch Mark 8